Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Setup PowerShell Offline Installer on Multiple Computers

When you need to install PowerShell on several Windows machines that lack internet access, the st...

How to Fix Stuck Windows Search Indexing

Windows Search indexing can get stuck for various reasons, leaving your file searches incomplete ...

Fix Microsoft Teams Microphone Not Working on Mac

If your microphone isn't working in Microsoft Teams on a Mac, you're not alone. The issue often a...

Fix Chrome SSL Certificate Error: Invalid Common Name